Musical instrument lamp



FIG. 1 is a front elevational view, the broken lines showing of the shade, light bulb and cord being for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a musical instrument lamp, as shown and described. 